400 Bad Request

The server could not comply with the request since it is either malformed or otherwise incorrect.

Cannot decode URL parameter keywords: ['sportangebot%3AM%C3%A4nnerriege%2Bsportangebot%3AGymnastik und Tanz%2Bsportangebot%3ABike%2Bsportangebot%3AFreizeitangebot%2Bsportangebot%3ABoxen']